Flatworms
Digestive system-Shelby
Flat worms have a combination digestive system, where the food and the waste come in and out the same way.
Nervous system-Jenna
The nervous system of Flatworms are very simple. They have 2 nerve cords running down both sides of their body and 2 simple brains. The brains are called Gangila. The Gangila hold only a simple bundle of nerves. They also have 2 eyespots to sense light.
Body plan-Shelby
The Flatworm has bilateral symmetry.
Picture-Jenna
external image Lab_4a-02a.jpg

Positive impact on humans-Shelby
Negative impact on humans-Jenna
A big negative impact the flatworms have on humans is that some are parasitic. A tapeworm can get into your digestive system and can become dangerous as is consumes more of you and your food.
2 interesting facts-Jenna & Shelby